1) Msec 2) Not much time 3) One thousandth of a second 4) Time unit 5) Unit of time 1) Msec 2) Sigma 
A millisecond (from milli- and second; symbol: ms) is a thousandth (10−3 or 1/1,000) of a second. 10 milliseconds (a hundredth of a second) are called a centisecond, commonly seen on many stopwatches but often mistakenly referred to as milliseconds. 100 milliseconds (one tenth of a second) are called a decisecond. To help compare orders of magni...
One-thousandth of a second. ... (05 Mar 2000) ... 
(ms) (mil´ĭ-sek″әnd) one thousandth (10−3) of a second.
(ms, msec) Type: Term Pronunciation: mil′i-sekŏnd Definitions: 1. One thousandth of a second.
[n] - one thousandth of a second
One thousandth of a second, abbreviated ms or msec. See also: Second.
msec noun one thousandth (10^-3) of a second